Report for 31655

Name

ASN-GammaTelecom - Gamma Telecom Holdings Ltd, GB

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

31655 ASN-GammaTelecom - Gamma Telecom Holdings Ltd, GB

  Adjacency:     9  Upstream:     3  Downstream:     6
  Upstream Adjacent AS list
    AS4637          ASN-TELSTRA-GLOBAL - Telstra Global, HK
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS205237        SAVILLS-PLC - SAVILLS PLC, GB
    AS216167        Gamma-GCE - Gamma Telecom Holdings Ltd, GB
    AS8918          CARRIER1-AS - Coolwave Communications Limited, IE
    AS41553         Reed-Managed-Services - Reed Specialist Recruitment Limited, GB
    AS204193        Pragma - Gamma Telecom Holdings Ltd, GB
    AS198472        MANCHESTER-CC-AS - Manchester City Council, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
599   AS31655        ORG+TRN Originate:     614400 /12.77  Transit:      26624 /17.30 ASN-GammaTelecom - Gamma Telecom Holdings Ltd, GB

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 8502 AS31655       ASN-GammaTelecom - Gamma Telecom Holdings Ltd     36      5      0     31      5  13.89%


  Prefix               AS Path                              Aggregation Suggestion
  5.2.96.0/19          4608 1221 4637 31655   
  5.144.156.0/22       4608 1221 4637 31655   
  46.227.48.0/21       4608 1221 4637 31655   
  51.52.0.0/16         4608 1221 4637 31655   
  51.52.50.0/24        4608 1221 4637 31655 - Withdrawn - matching aggregate 51.52.0.0/16 4608 1221 4637 31655
  51.219.0.0/16        4608 1221 4637 31655   
  62.223.128.0/17      4608 1221 4637 31655   
  62.223.251.0/24      4608 7575 2914 31655   
  79.74.0.0/16         4608 1221 4637 31655   
  80.252.64.0/20       4608 1221 4637 31655   
  88.215.0.0/18        4608 1221 4637 31655   
  89.213.8.0/21        4608 1221 4637 31655   
  89.213.16.0/20       4608 1221 4637 31655   
  89.213.32.0/21       4608 1221 4637 31655   
  92.207.0.0/16        4608 1221 4637 31655   
  138.248.16.0/20      4608 1221 4637 31655   
  138.248.32.0/20      4608 1221 4637 31655   
  138.248.128.0/17     4608 1221 4637 31655   
  138.248.140.0/24     4608 7575 3356 31655   
  151.2.128.0/17       4608 1221 4637 31655   
  151.2.128.0/22       4608 1221 4637 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4608 1221 4637 31655
  151.2.132.0/22       4608 1221 4637 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4608 1221 4637 31655
  151.2.136.0/22       4608 1221 4637 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4608 1221 4637 31655
  151.2.140.0/22       4608 1221 4637 31655 - Withdrawn - matching aggregate 151.2.128.0/17 4608 1221 4637 31655
  157.125.0.0/16       4608 1221 4637 31655   
  157.231.0.0/16       4608 1221 4637 31655   
  164.39.128.0/17      4608 1221 4637 31655   
  185.4.196.0/22       4608 1221 4637 31655   
  185.9.232.0/22       4608 1221 4637 31655   
  185.21.208.0/22      4608 1221 4637 31655   
  185.47.104.0/22      4608 1221 4637 31655   
  185.157.103.0/24     4608 1221 4637 31655   
  188.66.64.0/18       4608 1221 4637 31655   
  193.39.16.0/20       4608 1221 4637 31655   
  195.162.96.0/19      4608 1221 4637 31655   
  213.218.192.0/20     4608 1221 4637 31655   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS31655   11 More Specifics   36 Total Advertisements   ASN-GammaTelecom - Gamma Telecom Holdings Ltd, GB
    51.52.50.0/24                 51.52.0.0/16
    62.223.128.0/17               62.223.0.0/16
    62.223.251.0/24               62.223.0.0/16
    138.248.16.0/20               138.248.16.0/19
    138.248.32.0/20               138.248.16.0/19
    138.248.140.0/24              138.248.128.0/17
    151.2.128.0/22                151.2.128.0/17
    151.2.132.0/22                151.2.128.0/17
    151.2.136.0/22                151.2.128.0/17
    151.2.140.0/22                151.2.128.0/17
    185.157.103.0/24              185.157.100.0/22

Whois Entry

whois: 402603

IANA has recorded AS31655 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS31655\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             %ERROR:201: access denied for 203.119.106.26
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)